Update copyright for years from Emacs 21 to present (mainly adding

2001).
(\year): Update to 2007.  Separate copyright year from last-update year.
(\versionemacs): New def.

etc/cs-dired-ref.tex

 % Reference Card for Dired
-% Copyright (C) 2000, 2002, 2003, 2004, 2005,
-%   2006 Free Software Foundation, Inc.
+% Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005,
+%   2006, 2007  Free Software Foundation, Inc.
 
 % Czech hyphenation rules applied
 \chyph
@@ -48,8 +48,9 @@
 % e.g. in the TeX Live CD).
 
 \def\versionnumber{0.1}
-\def\year{2006}
-\def\version{May \year\ v\versionnumber}
+\def\versionemacs{21}
+\def\year{2007}                 % latest copyright year
+\def\version{May 2006\ v\versionnumber}
 
 \def\shortcopyrightnotice{\vskip 1ex plus 2 fill
   \centerline{\small \copyright\ \year\ Free Software Foundation, Inc.
@@ -59,7 +60,7 @@
 \vskip 1ex plus 2 fill\begingroup\small
 \centerline{Copyright \copyright\ \year\ Free Software Foundation, Inc.}
 \centerline{designed by Stephen Gildea, \version}
-\centerline{for GNU Emacs version 21 on Unix systems}
+\centerline{for GNU Emacs version \versionemacs on Unix systems}
 \centerline{Updated for Dired in May 2000 by Evgeny Roubinchtein}
 
 Permission is granted to make and distribute copies of
@@ -255,7 +256,7 @@
 
 \title{Referenn karta pro Dired}
 
-\centerline{(ureno pro Dired v GNU Emacsu 21.x)}
+\centerline{(ureno pro Dired v GNU Emacsu \versionemacs.x)}
 \centerline{Pkazy oznaen \dx{} vyaduj dired-x}
 
 % trim this down to fit everything on one page